Contact Mouser (USA)  (800) 346-6873     |     Feedback        
View Cart     |     Change Location  USD
United States United States

Please confirm your currency selection:

US Dollars

All Products > Electromechanical > Circuit Breakers
Circuit breakers are available at Mouser Electronics from industry leading manufacturers.  Mouser is an authorized distributor for many circuit breaker manufacturers including Altech, Carling, Cooper Bussmann, Littelfuse, Schurter, TE Connectivity, & more. Please view our selection of circuit breakers below.
Category   Electromechanical >  Circuit Breakers

Available Filters 7,503 Matches  

Manufacturer
 
Reset
 
Product
Reset
 
Product Type
Reset
 
Current Rating
Reset
 
Voltage Rating AC
Reset
 
Voltage Rating DC
Reset
 
Number of Poles
Reset
 
Actuator Type
Reset
 
Circuit Function
Reset
 
Series
Reset
 
Operating Temperature Range
Reset
 
Illuminated
Reset
 

Compare up to 20 parts.
Select ImageMouser Part # Mfr. Part # Mfr. Description Documents Availability Pricing
(USD)
Quantity RoHS Product Product Type Current Rating Voltage Rating AC Voltage Rating DC Number of Poles Actuator Type Circuit Function Series Operating Temperature Range Illuminated
Sort by Mouser Part # AscendingSort by Mouser Part # DescendingSort by Mfr. Part # AscendingSort by Mfr. Part # DescendingSort by Mfr. AscendingSort by Mfr. DescendingSort by Availability AscendingSort by Pricing AscendingSort by Pricing DescendingSort by Product AscendingSort by Product DescendingSort by Product Type AscendingSort by Product Type DescendingSort by Current Rating AscendingSort by Current Rating DescendingSort by Voltage Rating AC AscendingSort by Voltage Rating AC DescendingSort by Voltage Rating DC AscendingSort by Voltage Rating DC DescendingSort by Number of Poles AscendingSort by Number of Poles DescendingSort by Actuator Type AscendingSort by Actuator Type DescendingSort by Circuit Function AscendingSort by Circuit Function DescendingSort by Series AscendingSort by Series DescendingSort by Operating Temperature Range AscendingSort by Operating Temperature Range DescendingSort by Illuminated AscendingSort by Illuminated Descending
TE Connectivity / P&B W54-XB1A4A10-30
Enlarge
TE Connectivity / P&B Circuit Breakers 30A PUSH TO RESET
Page 2,131

Data Sheet
932
In Stock
1: $3.64
10: $3.32
25: $3.18
50: $2.87
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 30 A 250 V 1 Pole Pushbutton Series Trip W54 0 C to + 60 C Not Illuminated
TE Connectivity / P&B W58-XB1A4A-15
Enlarge
TE Connectivity / P&B Circuit Breakers 15A PUSH TO RESET
Page 2,132

Data Sheet
1,171
In Stock
More Info Available
1: $4.78
10: $4.45
25: $3.67
50: $3.27
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 15 A 250 V 50 V 1 Pole Pushbutton Series Trip W58 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W58-XB1A4A-8
Enlarge
TE Connectivity / P&B Circuit Breakers 8A PUSH TO RESET QC
Page 2,132

Data Sheet
468
In Stock
1: $5.19
10: $4.84
25: $4.54
50: $4.11
100: $3.24



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 8 A 250 V 50 V 1 Pole Pushbutton Series Trip W58 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W58-XB1A4A-5
Enlarge
TE Connectivity / P&B Circuit Breakers 5A PUSH TO RESET
Page 2,132

Data Sheet
618
In Stock
1: $5.19
10: $4.84
25: $4.54
50: $4.11
100: $3.24



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 5 A 250 V 50 V 1 Pole Pushbutton Series Trip W58 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W58-XB1A4A-20
Enlarge
TE Connectivity / P&B Circuit Breakers 20A PUSH TO RESET
Page 2,132

Data Sheet
530
In Stock
More Info Available
1: $5.19
10: $4.84
25: $4.54
50: $4.11
100: $3.24



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 20 A 250 V 50 V 1 Pole Pushbutton Series Trip W58 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W58-XB1A4A-30
Enlarge
TE Connectivity / P&B Circuit Breakers 30A PUSH TO RESET
Page 2,132

Data Sheet
699
In Stock
1: $5.19
10: $4.84
25: $4.54
50: $4.11
100: $3.24



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 30 A 250 V 50 V 1 Pole Pushbutton Series Trip W58 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W28-XQ1A-2
Enlarge
TE Connectivity / P&B Circuit Breakers 2A PUSH TO RESET
Page 2,131

Data Sheet
1,905
In Stock
1: $5.81
10: $5.46
25: $5.08
50: $4.60
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 2 A 250 V 32 V 1 Pole Pushbutton Series Trip W28 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W28-XQ1A-1
Enlarge
TE Connectivity / P&B Circuit Breakers 1A PUSH TO RESET
Page 2,131

Data Sheet
1,411
In Stock
1: $6.19
10: $5.81
25: $5.41
50: $4.90
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 1 A 250 V 32 V 1 Pole Pushbutton Series Trip W28 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W58-XB1A4A-1
Enlarge
TE Connectivity / P&B Circuit Breakers 1A PUSH TO RESET QC
Page 2,132

Data Sheet
681
In Stock
1: $7.28
10: $6.84
25: $6.37
50: $5.76
100: $4.54



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 1 A 250 V 50 V 1 Pole Pushbutton Series Trip W58 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W58-XB1A4A-3
Enlarge
TE Connectivity / P&B Circuit Breakers 3A PUSH TO RESET
Page 2,132

Data Sheet
417
In Stock
1: $7.28
10: $6.84
25: $6.37
50: $5.76
100: $4.54



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 3 A 250 V 50 V 1 Pole Pushbutton Series Trip W58 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W58-XB1A4A-2
Enlarge
TE Connectivity / P&B Circuit Breakers 2A PUSH TO RESET
Page 2,132

Data Sheet
622
In Stock
1: $7.42
10: $6.98
25: $6.49
50: $5.87
100: $4.64



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 2 A 250 V 50 V 1 Pole Pushbutton Series Trip W58 - 20 C to + 60 C Not Illuminated
Altech 1BU3R
Enlarge
Altech Circuit Breakers 3A B Characteristic UL 1077 1 POLE
Page 2,938

Data Sheet
177
In Stock
More Info Available
1: $12.00
10: $10.23
50: $10.19
100: $9.98
250: View



Min.: 1
Mult.: 1
Circuit Protection Devices B-Trip 3 A 277 V 1 Pole Handle Supplementary Protectors R 0 C to + 40 C Not Illuminated
TE Connectivity / P&B W33-S1N1Q-15
Enlarge
TE Connectivity / P&B Circuit Breakers 15A 2-P Black Rocker P1 Switch P2 Trip QC
Page 2,941

Data Sheet
120
In Stock
1: $18.57
5: $16.89
10: $15.88
25: $14.54
50: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 15 A 250 V 50 V 2 Poles Rocker Series Trip Overload Sensing W33 Not Illuminated
TE Connectivity / P&B W23-X1A1G-25
Enlarge
TE Connectivity / P&B Circuit Breakers 25A PUSH/PULL ACT.
Page 2,131

Data Sheet
114
In Stock
1: $23.71
10: $22.13
25: $20.75
50: $18.77
100: $14.82



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 25 A 240 V 50 V 1 Pole Pushbutton Series Trip W23 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W23-X1A1G-20
Enlarge
TE Connectivity / P&B Circuit Breakers 20A PUSH/PULL ACT.
Page 2,131

Data Sheet
192
In Stock
1: $23.71
10: $22.13
25: $20.75
50: $18.77
100: $14.82



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 20 A 240 V 50 V 1 Pole Pushbutton Series Trip W23 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W23-X1A1G-50
Enlarge
TE Connectivity / P&B Circuit Breakers 50A PUSH/PULL ACT.
Page 2,131

Data Sheet
274
In Stock
1: $23.71
10: $22.13
25: $20.75
50: $18.77
100: $14.82



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 50 A 240 V 50 V 1 Pole Pushbutton Series Trip W23 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W23-X1A1G-30
Enlarge
TE Connectivity / P&B Circuit Breakers 30A PUSH/PULL ACT.
Page 2,131

Data Sheet
109
In Stock
1: $24.68
10: $24.03
25: $21.59
50: $19.53
100: $16.73



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 30 A 240 V 50 V 1 Pole Pushbutton Series Trip W23 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W23-X1A1G-5
Enlarge
TE Connectivity / P&B Circuit Breakers 5A PUSH/PULL ACT.
Page 2,131

Data Sheet
217
In Stock
1: $25.17
10: $24.52
25: $22.02
50: $19.93
100: $17.07



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 5 A 240 V 50 V 1 Pole Pushbutton Series Trip W23 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W23-X1A1G-15
Enlarge
TE Connectivity / P&B Circuit Breakers 15A PUSH/PULL ACT.
Page 2,131

Data Sheet
108
In Stock
1: $25.17
10: $24.52
25: $22.02
50: $19.93
100: $17.07



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 15 A 240 V 50 V 1 Pole Pushbutton Series Trip W23 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W23-X1A1G-10
Enlarge
TE Connectivity / P&B Circuit Breakers 10A PUSH/PULL ACT.
Page 2,131

Data Sheet
144
In Stock
1: $25.17
10: $24.52
25: $22.02
50: $19.93
100: $17.07



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 10 A 240 V 50 V 1 Pole Pushbutton Series Trip W23 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W31-X2M1G-50
Enlarge
TE Connectivity / P&B Circuit Breakers 50A TOGGLE ACTUATOR
Page 2,131

Data Sheet
123
In Stock
1: $29.52
10: $27.54
25: $25.82
50: $23.36
100: $18.45



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 50 A 240 V 50 V 1 Pole Toggle Series Trip W31 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W31-X2M1G-5
Enlarge
TE Connectivity / P&B Circuit Breakers 5A TOGGLE ACTUATOR
Page 2,131

Data Sheet
149
In Stock
More Info Available
1: $29.54
10: $27.56
25: $25.84
50: $23.37
100: $21.76



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 5 A 240 V 50 V 1 Pole Toggle Series Trip W31 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W31-X2M1G-25
Enlarge
TE Connectivity / P&B Circuit Breakers 25A TOGGLE ACTUATOR
Page 2,131

Data Sheet
69
In Stock
1: $30.10
10: $28.08
25: $26.33
50: $23.82
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 25 A 240 V 50 V 1 Pole Toggle Series Trip W31 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W31-X2M1G-15
Enlarge
TE Connectivity / P&B Circuit Breakers 15A TOGGLE ACTUATOR
Page 2,131

Data Sheet
72
In Stock
1: $30.71
10: $28.65
25: $26.87
50: $24.30
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 15 A 240 V 50 V 1 Pole Toggle Series Trip W31 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W31-X2M1G-10
Enlarge
TE Connectivity / P&B Circuit Breakers 10A TOGGLE ACTUATOR
Page 2,131

Data Sheet
123
In Stock
1: $32.73
10: $30.54
25: $28.63
50: $25.90



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 10 A 240 V 50 V 1 Pole Toggle Series Trip W31 - 20 C to + 60 C Not Illuminated
Compare up to 20 parts.
7503